5503987387 has 2 divisors, whose sum is σ = 5503987388. Its totient is φ = 5503987386.

The previous prime is 5503987381. The next prime is 5503987399. The reversal of 5503987387 is 7837893055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5503987387 - 2¹⁹ = 5503463099 is a prime.

It is not a weakly prime, because it can be changed into another prime (5503987381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751993693 + 2751993694.

It is an arithmetic number, because the mean of its divisors is an integer number (2751993694).

Almost surely, 2^5503987387 is an apocalyptic number.

5503987387 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503987387 is an equidigital number, since it uses as much as digits as its factorization.

5503987387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The square root of 5503987387 is about 74188.8629579939. The cubic root of 5503987387 is about 1765.6006362877.

The spelling of 5503987387 in words is "five billion, five hundred three million, nine hundred eighty-seven thousand, three hundred eighty-seven".